Forces the printer to ignore low-ink warnings, allowing you to use refilled cartridges without nagging messages.

More powerful than the standard cleaning cycle—often reviving nozzles that standard software cannot.

  • Extract package: Unpack archive to a single folder (no long paths).
  • Disable antivirus temporarily if it falsely flags the tool — only if you trust the source.
  • Run executable as Administrator. Some versions require older .NET or VC++ runtimes — install any bundled prerequisites.
  • Connect printer in service or maintenance mode if required (follow model-specific steps—often power-on sequences involve holding buttons while powering on).
  • Use GUI options to select model/port, then run the specific service action (e.g., “Waste Ink Counter Reset”).
  • Reboot printer when prompted and verify normal operation.
  • Most Canon printers have a counter for ink absorbed in the maintenance cartridge. When it hits 100%, the printer stops. V4906 resets this counter to 0%.

    Because the tool is exclusive, here is how to safely search:

    The Canon Service Tool V4906 is a low-level diagnostic and reset utility developed by Canon Inc. for authorized service centers. Unlike the drivers or "My Printer" software available to the public, the V4906 edition operates directly with a printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory).

    Think of it as the "master key" for Canon inkjet printers. It is specifically designed to bypass software locks that trigger error messages like:

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